Re: Magnetization of Toroid
Hi Richard all,
This part of your reply caught my eye...
> A SQUID (super conducting quantum interference device) has been used to
> measure micro guass fields in charging capacitor dielectrics and no
> magnetic field has been detected. (D.F. Bartlett 1990 American Journal of
> Physics) There goes the B component of Maxwell's displacement current!!
I would have thought that in the dielectric itself there is
essentially no current flow. Torsion yes, stress etc. but not
conductive current flow. Wouldn't current flow be a requirement
for the generation of a magnetic field? How thick was the dielectric